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  1. #include <iostream>
  2. using namespace std;
  3. void fillArray(int arr[], int N) 
  4. {
  5.     for(int i=0; i<N; i++) {
  6.         cin >> arr[i];
  7.     }
  8. }
  9. void swap(int &a, int &b) {
  10.     int temp = a;
  11.     a = b;
  12.     b = temp;
  13. }
  14.  
  15. void swapPlaces(int arr[], int N, int i1, int i2) {
  16.  
  17.     swap(arr[i1-1], arr[N-i1]);
  18.  
  19.     swap(arr[i2-1], arr[N-i2]);
  20. }
  21.  
  22. void printArray(int arr[], int N) 
  23. {
  24.     for(int i=0; i<N; i++) {
  25.         cout << arr[i] << ' ';
  26.     }
  27. }
  28. int main()
  29. {
  30.     int N, q, i1, i2;
  31.     int arr[N];
  32.     cin >> N;
  33.     fillArray(arr, N);
  34.     cin >> q;
  35.     while(q--) {
  36.         cin >> i1 >> i2;
  37.         swapPlaces(arr, N, i1, i2);
  38.     }
  39.     printArray(arr, N);
  40.     cout << endl;
  41.     return 0;
  42. }
  43.  
Success #stdin #stdout 0s 16048KB
comments (?)
stdin
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10
1 2 3 4 5 6 7 8 9 12
2
1 2
2 3
stdout
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12 2 8 4 5 6 7 3 9 1
https://ideone.com/3C9AF1
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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